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Grinder Jobs in Riverside, CA (NOW HIRING)

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Cylindrical Grinder

Irvine, CA · On-site

$25 - $40/hr

Cylindrical Grinder Location: Southern California Job Type: Full-Time | On-Site Job Summary Seeking an experienced Cylindrical Grinder to set up and operate CNC and manual grinding equipment to ...

ABBA Roller

CNC Grinder 2

Ontario, CA · On-site

$23 - $25/hr

This role is responsible for operating grinding and polishing equipment to achieve required product dimensions, tolerances, and surface finishes while maintaining quality and production standards.

Howmet Aerospace

Centerless Grinder

Brea, CA · On-site

$26 - $36/hr

The Centerless Grinder Set Up Operator will set-up and operate one Cincinnati #2 OM Center-Less Grinding Machine. While operating the machine the operator will follow the quality policy of 3V ...

Integrated Polymer Solutions

CNC Grinder 2

Ontario, CA · On-site

$20 - $27/hr

This role is responsible for operating grinding and polishing equipment to achieve required product dimensions, tolerances, and surface finishes while maintaining quality and production standards.

Integrated Polymer Solutions

CNC Grinder 2

Ontario, CA · On-site

$20.25 - $27.50/hr

This role is responsible for operating grinding and polishing equipment to achieve required product dimensions, tolerances, and surface finishes while maintaining quality and production standards.

ABBA Roller

Grinder Technician

Ontario, CA · On-site

$19 - $21/hr

This role operates grinding and polishing equipment to achieve required product dimensions and surface finishes. This is an entry-level position ideal for candidates with basic manufacturing or ...

JM Eagle

Grinder Operator

Fontana, CA · On-site

$20 - $21.50/hr

The Grinder Operator is responsible for operating and monitoring PVC scrap grinders and pulverizers to process raw and recycled materials. Key duties include feeding material into equipment ...

JM Eagle

Grinder Operator

Fontana, CA · On-site

$20 - $21.50/hr

The Grinder Operator is responsible for operating and monitoring PVC scrap grinders and pulverizers to process raw and recycled materials. Key duties include feeding material into equipment ...

Allegion

Frame Grinder

Fontana, CA

$22/hr

The Frame Grinder operates power grinding machines to grind internal and external surfaces of metal frames to specification in preparation for final painting process. This position is focused on ...

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All JobsGrinder JobsGrinder Jobs in Riverside, CA

Grinder information

See Riverside, CA salary details

$12

$19

$28

How much do grinder jobs pay per hour?

As of Sep 4, 2026, the average hourly pay for grinder in Riverside, CA is $19.82, according to ZipRecruiter salary data. Most workers in this role earn between $17.07 and $21.30 per hour, depending on experience, location, and employer.

What is a grinder?

A grinder is a machine operator who selects specific tools and equipment to finish products according to design specifications. As a grinder, your duties include the inspection of items coming off an assembly line, the removal of defective pieces, and the use of grinding machinery and CNC mill equipment to smooth or polish the surface of the products. Your responsibilities include setting up and operating tools and machinery, examining materials to identify defects, and selecting the appropriate tool or machine to correct defects and create a finished product that meets quality assurance standards.

What are grinder job specializations?

Grinders are skilled workers who operate grinding machines to shape, finish, or smooth metal and other materials. They use various types of grinding equipment, including bench grinders, surface grinders, and cylindrical grinders, to remove excess material and achieve precise surface finishes. Grinders are essential in industries like automotive, aerospace, and tool making, ensuring components meet exact specifications. Their work requires attention to detail, manual dexterity, and a strong understanding of safety protocols.

What are the key skills and qualifications needed to thrive as a grinder, and why are they important?

To thrive as a Grinder, you need mechanical aptitude, attention to detail, and experience with metalworking or machining, often supported by a high school diploma or technical training. Familiarity with grinding machines, precision measurement tools (like calipers and micrometers), and safety protocols is essential. Strong hand-eye coordination, problem-solving skills, and the ability to work independently set exceptional candidates apart. These skills ensure high-quality, precise output and maintain safety and efficiency in manufacturing environments.

What are some common challenges faced by grinders and how can they be addressed on the job?

Grinders often face challenges such as maintaining precision and consistency in their work, managing physical fatigue, and ensuring safety while operating heavy machinery. To address these, it's important to follow strict safety protocols, regularly inspect and maintain equipment, and take scheduled breaks to prevent strain. Additionally, collaborating closely with supervisors and quality control teams helps ensure that finished components meet required specifications and quality standards.

What is the difference between Grinder vs Machinist?

AspectGrinderMachinist
Required CertificationsOften requires precision machining certificationsRequires CNC or machining certifications
Work EnvironmentWorks primarily with grinding machines to finish partsOperates various machine tools to produce parts
Industry UsageCommon in manufacturing, metalworking, and tool-makingWidely used in manufacturing, aerospace, and automotive industries

While both grinders and machinists work in manufacturing environments and require technical skills, grinders focus on finishing parts with grinding machines, whereas machinists operate a variety of machine tools to create or modify parts. Understanding these differences helps employers and job seekers find the right fit in manufacturing roles.

More about Grinder jobs

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What job categories do people searching Grinder jobs in Riverside, CA look for?

The top searched job categories for Grinder jobs in Riverside, CA are:

What cities near Riverside, CA are hiring for Grinder jobs?

Cities near Riverside, CA with the most Grinder job openings:

Grinder jobs near you
Infographic showing various Grinder job openings in Riverside, CA as of August 2026, with employment types broken down into 96% Full Time, and 4% Nights. Highlights an 100% In-person job distribution, with an average salary of $41,225 per year, or $19.8 per hour.

Cylindrical Grinder

Zip Recruiter Hiring

Irvine, CA • On-site

$25 - $40/hr

Full-time

This job post has expired 4 days ago. Applications are no longer accepted.

Job description

Cylindrical Grinder

Location: Southern California
Job Type: Full-Time | On-Site


Job Summary

Seeking an experienced Cylindrical Grinder to set up and operate CNC and manual grinding equipment to produce high-precision components.


Key Responsibilities

  • Set up and operate CNC/manual cylindrical grinders for OD, ID, and face grinding.
  • Read blueprints and determine proper setup and grinding methods.
  • Select and maintain grinding wheels and tooling.
  • Inspect finished parts using micrometers, calipers, height gauges, and dial indicators.
  • Perform basic machine maintenance.
  • Work with engineering/manufacturing teams to improve processes.


Must-Haves

  • 5+ years of relevant experience or equivalent CNC machining training/experience.
  • Hands-on cylindrical grinding experience.
  • Ability to read and interpret blueprints.
  • Strong measurement/metrology skills.
  • Ability to stand for extended periods and lift up to 50 lbs.


Preferred: Experience with Studer S33/S40, Okamoto, Kent, StuderWin, or Studer Pictogram.